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Blooming Onions

Instead of being battered and deep-fried, this blooming onion recipe is brushed with melted butter and mustard, sprinkled with bread crumbs and seasonings and baked. It's an impressive-looking appetizer, and the dip can be used for veggies and crackers, too. —Kendra Doss, Kansas City, Missouri
  • Total Time
    Prep: 20 min. Bake: 40 min.
  • Makes
    8 servings


  • 2 large sweet onions
  • 1 tablespoon butter, melted
  • 2 teaspoons Dijon mustard
  • 3 tablespoons dry bread crumbs
  • 1/4 teaspoon salt
  • 1/4 teaspoon pepper
  • SAUCE:
  • 1/4 cup fat-free sour cream
  • 1/4 cup fat-free mayonnaise
  • 1-1/2 teaspoons dried minced onion
  • 1/4 teaspoon garlic powder
  • 1/4 teaspoon dill weed


  • With a sharp knife, slice 1/2 in. off the top of the onions; peel onions. Cut each into 16 wedges to within 1/2 in. of root end.
  • Place each onion on a double thickness of heavy-duty foil (about 12 in. square). Fold foil around onions and seal tightly. Place in an ungreased 11x7-in. baking dish. Bake, uncovered, at 425° for 20 minutes.
  • In a small bowl, combine butter and mustard. Open foil; fold foil around onions. Brush butter mixture over onions; sprinkle with bread crumbs, salt and pepper.
  • Bake 18-22 minutes longer or until crisp-tender. Meanwhile, in a small bowl, combine sauce ingredients. Serve with onions.
Nutrition Facts
1 each: 65 calories, 2g fat (1g saturated fat), 6mg cholesterol, 205mg sodium, 11g carbohydrate (5g sugars, 1g fiber), 2g protein. Diabetic Exchanges: 1 vegetable, 1/2 starch.

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Average Rating:
  • justmbeth
    Sep 7, 2014

    Onion was good. Tender with good flavor. Loved the easy prep. Add the horseradish to the sauce as others recommend, and I agree it is a necessity. If you are looking for a duplicate of the fried variety, you may be disappointed. But overall, I enjoyed it and will make again.

  • sroberts76
    Jan 29, 2013

    No comment left

  • orneryelmer
    Mar 8, 2012

    I loved the sauce but the onion was only ok.

  • maryvandorin
    Jan 24, 2012

    I just made this last week and my husband and I really liked it. I also added horseradish to the sauce.

  • niferschmidt
    Sep 18, 2011

    Very good! The family liked it. Now I'm looking forward to serving it at a party.

  • gufdi420
    May 26, 2011

    We also liked pulling all the segments apart after the first 20 minutes and coating all the onion slices with the mustard/butter mix and then sprinkling with the topping (of which we used Amaranth Cereal Flakes for a g/f version). It was easier to get the portions on plates for sharing.

  • pasmith95621
    May 20, 2011

    This was fabulous! I will make it again and again. I never thought I'd be able to really enjoy a blooming onion without the guilt, but this was delicious! I did however use regular sour cream and panko crumbs as it's what I had on hand. I will definitely make sure I have fat free sour cream on hand for this in the future. The only thing that I added to the sauce was horseradish, as I like it spicy...just a personal preference. Thanks for a wonderful recipe!!

  • danielleylee
    Mar 20, 2011

    This tasted great! I will definitely make this again.